Answer:
maximum number of toothpicks to be produced = 250
Step-by-step explanation:
given data 
maximum number of marshmallows = 1000 pounds
opportunity cost = 4 pounds
solution 
we get here max no of toothpick that is express as 
max no of toothpick = maximum number of marshmallows ÷ opportunity cost one toothpicks .......................1 
put here value 
max no of toothpick = 

max no of toothpick = 250 
maximum number of toothpicks to be produced = 250